diff --git a/cave_data/1623-283.html b/cave_data/1623-283.html
index 48685f281..c9df6ce6d 100644
--- a/cave_data/1623-283.html
+++ b/cave_data/1623-283.html
@@ -13,7 +13,7 @@
 <area>1623</area>
 <area>6</area>
 <kataster_code>2/S +</kataster_code>
-<kataster_number></kataster_number> 
+<kataster_number>283</kataster_number> 
 <unofficial_number>BS17</unofficial_number>
 
 <entrance>